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Answered

Review

Question 1 of 25

1. Question

The number of ways of arranging n students in a row such that no two boys sit together and no two girls sit together is m(m greater than 100). If one more student is added then number of ways of arranging as above increases by 200%. The value of n is

8

9

10

12

Correct

Incorrect

Question 2 of 25

2. Question

If m and n are two whole numbers and if m^n = 25. Find n^m given that n ≠ 1.

24

64

32

16

Correct

Incorrect

Question 3 of 25

3. Question

A certain number of persons agree to subscribe as many rupees each as there are subscribers. The whole subscription is Rs.2582449. Find the number of subscriber?

1224

1607

1320

1628

Correct

Incorrect

Question 4 of 25

4. Question

How many factors of(2^5)x(3^)6x(5^2) are perfect squares?

20

24

36

30

Correct

Incorrect

Question 5 of 25

5. Question

A contractor undertook to do a piece of work in 125 days and employs 175 men to carry out the job but after 40 days he finds that one a quarter of the work had been carried out. How many more men should be employed to finish the work in time?

72

67

82

70

Correct

Incorrect

Question 6 of 25

6. Question

Three pipes AB and C are attached to a cistern . Pipe A can fill the cistern in 6 hours while pipe B can fill it in 8 hours and pipe C can empty in 12 hours . When all the pipes are opened together find the time for filling the cistern.

7.2hrs

4.8hrs

6.7hrs

6.0hrs

Correct

Incorrect

Question 7 of 25

7. Question

A train running between two stations A and B arrives at its destination 15 minutes late when its speed is 45 km/hr. and 36 minutes late when its speed is 36 km/hr. find the distance between the stations A and B.

8. Question

9. Question

2 litres of water evaporated from 6 litres of sugar solution containing 5% sugar what will be the percentage of sugar in the remaining solution.

7.00%

6.30%

7.80%

7.50%

Correct

Incorrect

Question 10 of 25

10. Question

The owner of a restaurant started with an initial investment of Rs.32000. In the first year of operation he incurred a loss of 5%. However during the second and the third years of operation he made a profit of 10% and 12.5% respectively. What is his net profit for the entire period of three years? Assume that profit or loss are added or deducted from investment

17.00%

16.30%

17.80%

17.56%

Correct

Incorrect

Question 11 of 25

11. Question

A man has Rs. 480 in the denominations of one-rupee notes five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

45

60

75

90

Correct

Incorrect

Question 12 of 25

12. Question

One-third of Rahul’s savings in bank is equal to one-half of his savings in Provident Fund. If he has Rs. 200000 as total savings how much has he saved in Public Provident Fund ?

30000

50000

80000

60000

Correct

Incorrect

Question 13 of 25

13. Question

A B and C can do a piece of work in 20 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

12

15

18

16

Correct

Incorrect

Question 14 of 25

14. Question

A fort has provisions for 60 days. If after 15 days 500 men strengthen them and the food lasts 40 days longer how many men are there in the fort?

3500

4000

6000

None

Correct

Incorrect

Question 15 of 25

15. Question

Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg the price of the third variety per kg will be:

169.5

170

175.5

180

Correct

Incorrect

Question 16 of 25

16. Question

The ratio between the length and the breadth of a rectangular park is 2 :3 . If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes then the area of the park (in sq. m) is:

15360

153600

30720

307200

Correct

Incorrect

Question 17 of 25

17. Question

16 33 67 135 271 543 ?

923

1087

613

1055

Correct

Incorrect

Question 18 of 25

18. Question

331 482 551 263 383 362 284 .

Find the odd one out.

263

383

331

551

Correct

Incorrect

Question 19 of 25

19. Question

The angle of elevation of the sun when the length of the shadow of a tree 3 times the height of the tree is:

30

45

60

90

Correct

Incorrect

Question 20 of 25

20. Question

In one hour a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

3

5

8

9

Correct

Incorrect

Question 21 of 25

21. Question

If 2994 ÷ 14.5 = 172 then 29.94 ÷ 1.45 = ?

0.172

1.72

17.2

172

Correct

Incorrect

Question 22 of 25

22. Question

In a certain store the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant what is the new profit percentage?

230.00%

240.00%

236.00%

300.00%

Correct

Incorrect

Question 23 of 25

23. Question

The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?

3

5

4

8

Correct

Incorrect

Question 24 of 25

24. Question

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together they can do it in: